Pentair Prefilter Lid O-Ring #2-357 - 357255Z

The #2-357 basket cover O-ring (Buna-N 70) is an essential component for ensuring a perfect seal on your pool pump's pre-filter cover (strainer cover). It prevents air and water leaks , thus improving the performance and lifespan of your pump.

Made of Buna-N (Nitrile) with a hardness of 70 , this seal offers excellent resistance to pool chemicals, chlorine, and wear. It is compatible with several Pentair pool pumps , for both in-ground and above-ground pools.

Ideal for replacing a worn, crushed or cracked seal and restoring optimal suction.

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Main features

✔ Type : O-ring for basket lid

✔ Reference : #2-357

✔ Material : Buna-N (Nitrile)

✔ Hardness : 70

✔ Color : Black

✔ Function : Waterproofing of the strainer cover

✔ Quality : Direct replacement, precise fit

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Compatibility

✔ Pentair SuperFlo in-ground pool pump
✔ Pentair Sta-Rite SuperMax Inground Pool Pump
✔ Pentair Sta-Rite OptiFlo above-ground pool pump

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Additional information

Product code : 357255Z (replaces 357255)

Product name : O-ring

Warranty : 1 year

💡 Maintenance tip: apply a thin layer of silicone-based O-ring lubricant to extend its lifespan and facilitate installation.